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https://github.com/Mercury-Language/mercury.git
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66 lines
1.6 KiB
Mathematica
66 lines
1.6 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
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%---------------------------------------------------------------------------%
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% Test conversion of Mercury ints to signed 64-bit integers.
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% The .exp file is for systems where int is 64-bit.
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% The .exp2 file is for systems where int is 32-bit.
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:- module from_int_uint64.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module uint64.
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:- import_module list.
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:- import_module string.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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list.foldl(do_test, numbers, !IO).
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:- pred do_test(string::in, io::di, io::uo) is det.
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do_test(IntStr, !IO) :-
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io.format("from_int(%s) = ", [s(IntStr)], !IO),
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( if
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string.to_int(IntStr, Int),
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uint64.from_int(Int, UInt64)
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then
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io.format("%u\n", [u64(UInt64)], !IO)
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else
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io.write_string("<<out-of-range>>\n", !IO)
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).
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:- func numbers = list(string).
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numbers = [
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"-9223372036854775808",
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"-2147483648",
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"-32768",
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"-128",
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"0",
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"1",
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"2",
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"8",
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"10",
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"16",
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"127",
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"32767",
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"2147483647",
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"9223372036854775807"
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].
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%---------------------------------------------------------------------------%
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:- end_module from_int_uint64.
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%---------------------------------------------------------------------------%
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